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发明名称
EARTH DISCHARGING DEVICE FOR SHIELD MACHINE
摘要
申请公布号
JPH0988483(A)
申请公布日期
1997.03.31
申请号
JP19950242256
申请日期
1995.09.21
申请人
HITACHI ZOSEN CORP
发明人
YOSHIKAWA TADAO
分类号
E21D9/12;(IPC1-7):E21D9/12
主分类号
E21D9/12
代理机构
代理人
主权项
地址
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